CN109891481A - The method for manufacturing optical display - Google Patents
The method for manufacturing optical display Download PDFInfo
- Publication number
- CN109891481A CN109891481A CN201780067513.6A CN201780067513A CN109891481A CN 109891481 A CN109891481 A CN 109891481A CN 201780067513 A CN201780067513 A CN 201780067513A CN 109891481 A CN109891481 A CN 109891481A
- Authority
- CN
- China
- Prior art keywords
- panel component
- sheet
- form optical
- functional membrane
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
One kind is provided when manufacturing a part of sheet-form optical functional membrane (F1) from least rear end (PE) optical display outstanding of panel component (W), the manufacturing method of bubble will not be generated between the rear end (PE) of panel component (W) optically functional film (F1) and panel component (W) nearby.Sheet-form optical functional membrane (F1) and adhesive layer (F2) is removed from carrier film (F3) together, in bonding position, panel component (W) is conformed to from the binding face front end (PA) of panel component with sheet-form optical functional membrane (F1) using a pair of of doubling roller (23,24) and is bonded surface rear end (PB).Towards the specified position (PC) of binding face front end (PA) side 2mm or more to the range of fitting surface rear end (PB), it is bonded panel component (W) with the laminated body (F1, F2) of sheet-form optical functional membrane with the fitting speed less than 100mm/ seconds from self-bonding surface rear end (PB).
Description
Technical field
The present invention relates to a kind of methods for manufacturing optical display.More particularly it relates to which a kind of make piece
When a part of shape optically functional film fits in panel component with the rear end state outstanding from panel component, it can eliminate
The side of the manufacture optical display for the bubble that the rear end of the laminated body of panel component and sheet-form optical functional membrane nearby generates
Method.
Background technique
Optical display manufacture scene, using reel to panel (RTP) mode manufacturing method (for example,
Patent document 1).In RTP mode, optical display is usually manufactured as described below.Firstly, sending out from reel has regulation
The ribbon-like optical film laminated body of width.Ribbon-like optical film laminated body includes band-like carrier film, is formed in one of the carrier film
It the adhesive layer in face and is constituted via adhesive layer bearing optical film on a carrier film.Optical film is either single layer
, it is also possible to multilayer.On the ribbon-like optical film laminated body of submitting, usually cut by continuously processing in the width direction
Enter line and forms sheet-form optical functional membrane between adjacent incision line.
The sheet-form optical functional membrane of continuous bearing on a carrier film is configured in the attached of bonding position together with adhesive layer
Close stripping unit is sent from carrier film stripping to bonding position.At stripping unit, the carrier film side quilt of optical film laminate
It is wound in the top of the stripping unit of the approximate wedge shape with the top opposed with bonding position.Make to be wound in stripping by one side
One is turned back to the direction substantially opposite with the conveying direction of the sheet-form optical functional membrane towards bonding position from the carrier film of unit
While being conveyed to the carrier film for being wound in stripping unit, thus by sheet-form optical functional membrane from carrier together with adhesive layer
Film stripping.The sheet-form optical functional membrane for reaching bonding position utilizes the fitting unit with a pair of of doubling roller, and is separately transported to
The corresponding binding face of the panel component of bonding position is bonded.
On the other hand, in recent years, in optical display, miniaturization, slimming and light weight are being further sought for
Change, be accompanied by this, does not require nothing more than narrowization, the i.e. narrow frame for surrounding the frame portion of liquid crystal display area, also require boundless
Frame.As the method for responding this requirement, proposes and the big sheet-form optical functional membrane of ratio panels component is fitted in into face
Plate component simultaneously cuts off the technology from the redundance of the end of panel component film outstanding (for example, specially along the end of panel component
Sharp document 2).In patent document 2, the process for cutting off redundance is carried out in a series of manufacturing device, as next
What it is from manufacturing device is to cut off redundance along the end of panel component at optical display obtained by fruit product, makes optics function
It can structure of the film as size corresponding with binding face.
Existing technical literature
Patent document
Patent document 1: No. 4377964 bulletins of Japanese Patent No.
Patent document 2: Japanese Unexamined Patent Publication 2014-228563 bulletin
Summary of the invention
The technical problems to be solved by the invention
In the manufacturing method of RTP mode, Rimless can be realized by the following method: make sheet-form optical functional membrane
In the state of being protruded from the end of panel component, after being bonded panel component with sheet-form optical functional membrane, along panel component
End excision film protrusion.
But in the manufacturing method of RTP mode, make panel component with sheet-form optical functional membrane with sheet-form optical function
In the case where the state fitting outstanding of conveying direction of a part of film from the rear end of panel component towards panel component, such as scheme
Shown in 1 example, there is a problem of following: (being the fitting away from panel component for typical case near the rear end of panel component
The position of the rear end in face about 1mm), bubble is generated between panel component and sheet-form optical functional membrane.(a) of Fig. 1 is practical right
The photo that the bubble generated between panel component and sheet-form optical functional membrane is shot, (b) of Fig. 1 are panel component and piece
Schematic diagram under the side view of the laminated body of shape optically functional film.Note that Fig. 1 is shown with CF side panel and TFT side panel
Liquid crystal display panel in bubble when film being made to fit in CF side panel generate the example of state.In this case, after TFT side panel
" rear end " of the panel component of end quite in this manual, the rear end for the binding face of CF side panel being bonded with film is equivalent to
" fitting surface rear end " in this specification.On the other hand, for example, in the example in fig 1, film is made to fit in TFT side panel
In the case of, TFT side panel rear end is equivalent to " rear end " of panel component, after the binding face of TFT side panel being bonded with film
" the fitting surface rear end " of end quite in this manual.In addition, the example from Fig. 1 is different, such as also consider TFT side panel and CF
The panel component for the structure that side panel is laminated in such a way that the end face of respective rear end becomes a face, in this case, face
" the fitting surface rear end " of the edge of the rear end of plate component quite in this manual.
The bubble is considered as because following reason generates: in the doubling roller for the fitting surface rear end for conforming to panel component
As former state pressing sheet optically functional film from fitting surface rear end part outstanding, cause membrane part outstanding by along panel component
When thickness direction presses, the sheet-form optical functional membrane of panel component is fitted near the rear end of panel component with panel part
The fitting surface rear end of part upwarps for fulcrum.
In addition, pressing the slave patch of sheet optically functional film as former state to the doubling roller of the fitting surface rear end of panel component if fitted
Surface rear end part outstanding is closed, then the bonding agent of the adhesive layer exposed in membrane part outstanding is possible to be attached to doubling roller.
Technical problem of the invention is, provides a kind of a part in manufacture sheet-form optical functional membrane from panel component
At least rear end optical display outstanding when, will not be in the optically functional film and panel part near the rear end of panel component
The manufacturing method of bubble is generated between part.
In addition, another technical problem of the invention is, provide a kind of a part in manufacture sheet-form optical functional membrane from
When the optical display outstanding of at least rear end of panel component, bonding agent will not be attached to the manufacturing method of doubling roller.
For solving the means of technical problem
Above-mentioned technical problem being capable of panel component and sheet-form optical function near the rear end by making panel component
The fitting speed of film is less than 100mm/ seconds to solve.
A kind of method for making optical display is made in present invention offer.The optical display manufactured in the method is piece
At least rear end outstanding optical display of a part of shape optically functional film from panel component.The optical display is logical
It crosses under type such as to manufacture: continuously be propped up from comprising carrier film, the adhesive layer being formed in the carrier film and via the adhesive layer
It holds sheet-form optical functional membrane and adhesive layer one on the ribbon-like optical film laminated body of sheet-form optical functional membrane on a carrier film
With removing, using a pair of of doubling roller by sheet-form optical functional membrane so that a part of the sheet-form optical functional membrane is from panel component
At least rear end state outstanding binding face that fits in panel component.
The method include that by one side using removing body so that carrier film is turned back while conveying carrier film, thus by light sheets
Functional membrane is learned together with adhesive layer from carrier film stripping, and marches to the front end of sheet-form optical functional membrane and panel component
The process of the bonding position of fitting；The process for making panel component march to bonding position；In bonding position, a pair of of doubling roller is utilized
Panel component is set to conform to the process for being bonded surface rear end from the binding face front end of panel component with sheet-form optical functional membrane.In we
In method, from self-bonding surface rear end towards the specified position of binding face front end side 2mm or more to fitting surface rear end range, with small
Fitting speed in 100mm/ seconds is bonded panel component with sheet-form optical functional film layer stack.
In one embodiment, it is preferred that when being bonded from specified position to the range of fitting surface rear end, pasted from a pair
Closing the pressing force that roller loads the laminated body of panel component and sheet-form optical functional membrane is 0.3MPa~0.4MPa.
In one embodiment, it is preferred that even if the roller and another roller in a pair of of doubling roller are after binding face
End is also mutually not in contact with each other after terminating fitting.
Detailed description of the invention
Fig. 1 is shown in the manufacturing method of RTP mode, make sheet-form optical functional membrane with from the rear end of panel component
When mode outstanding fits in panel component, the photo of the state of bubble is generated between panel component and sheet-form optical functional membrane
And schematic diagram.
Fig. 2 shows the whole of the apparatus for continuously production 1 for being continuously manufactured by optical display of an embodiment of the present invention
The concept map of body structure.
Fig. 3 shows sheet-form optical function film stripping in an embodiment of the present invention in sticking part and makes panel component
The a series of movement being bonded with sheet-form optical functional membrane.
Fig. 4 shows the speed of fitting when being bonded panel component with sheet-form optical functional membrane
The variation of degree.
Specific embodiment
Hereinafter, the embodiment that present invention will be described in detail with reference to the accompanying.The present invention is not limited to these embodiments.
Fig. 2 is the whole knot of the apparatus for continuously production 1 for being continuously manufactured by optical display of an embodiment of the present invention
The concept map of structure.Fig. 3 shows sheet-form optical function film stripping in sticking part and makes panel component and sheet-form optical functional membrane
The a series of movement of fitting.Fig. 4 shows the variation of fitting speed when being bonded panel component with sheet-form optical functional membrane.
In apparatus for continuously production 1, it can be used on band-like carrier film F3 via adhesive layer F2 along its length
The optical film laminate F of continuous laying sheets optically functional film F1.In apparatus for continuously production 1, by sheet-form optical functional membrane F1
It is removed together with adhesive layer F2 from band-like carrier film F3, using a pair of of doubling roller 23,24 by the sheet-form optical function of removing
Film F1 is so that a part of sheet-form optical functional membrane F1 fits in panel from at least rear end PE state outstanding of panel component W
The binding face PL of component W, so as to be continuously manufactured by optical display P.
The movement in each portion of apparatus for continuously production 1 can be controlled by the control unit 51 of control unit 50, in each portion
The data etc. used are stored in storage unit 52, and utilize as needed.In the present invention, sheet-form optical functional membrane F1 energy
Reach any used include in light polarizing film, antireflection film, phase difference film, optical diffusion film, brightness raising film and surface protection film
A or their combination structure, panel component W can be set as liquid crystal display panel, organic EL panel etc..
Apparatus for continuously production 1 acts as follows.Firstly, releasing band-like optical film laminate F ' from reel 11.
Optical film laminate F ' is the optical film layer that band-like optically functional film F1 ' is laminated via adhesive layer F2 on strip-like carrier film F3
Stack.Next, in the cutting portion 15 for having cutter of midway for being set to transport path, for optical film laminate F ', edge
The width direction processing incision line CL of optical film laminate F ' to reach adhesive layer F2 and strip-like carrier film F3 interface (
The movement is referred to as " hemisect ").Processing laminated body made of incision line CL in optical film laminate F ' by this method is exactly
Optical film laminate F.In another embodiment, the optical film laminate for being pre-formed incision line CL also can be used.At this
In the case of kind, cutting portion 15 is not needed.
Optical film laminate F is as needed, via the supply roller 13 that film is conveyed and 17, to the conveying speed of film into
The dance roller 14 of row adjustment and 18, the rejecting portion (not shown) of sheet-form optical functional membrane rejecting that defect will be present etc., quilt
It send to sticking part 20.
On the other hand, panel component W is the adherend for being bonded sheet-form optical functional membrane F1, and panel component W is for example
It is sent out one by one from the feed tank (not shown) for being accommodated with multiple panel component W, and such as by defeated roller conveyer
Unit 30 is sent to convey.Panel component W utilizes 33 test pose of positions of panels detection unit of contraposition part 32, and according to light sheets
After the deviation state correction posture (contraposition) for learning functional membrane F1, it is sent to sticking part 20.
In sticking part 20, using stripping unit 21 by sheet-form optical functional membrane F1 together with adhesive layer F2 from carrier film F3
Removing.Using doubling roller 23 and 24, by the sheet-form optical functional membrane F1 of removing so that a part of sheet-form optical functional membrane F1 from
At least rear end PE state outstanding of panel component W fits in panel component W.
Note that in the present invention, although sheet-form optical functional membrane F1 is not limited from rear end PE overhang outstanding, but
Preferably 3mm or more.If overhang is 3mm or more, sheet-form optical can be more stably cut off along the end of panel component W
The protrusion of functional membrane F1.
Using winding unit 40, the carrier film F3 after removing sheet optically functional film F1 and adhesive layer F2 is wound
Come.Using supply unit 30, the one of sheet-form optical functional membrane F1 and sheet-form optical functional membrane F1 will be bonded on panel component W
Part is moved out from at least rear end PE panel laminated body P outstanding of panel component W from sticking part 20.
Next, being illustrated using Fig. 3 to the movement in sticking part 20.In fig. 3 it is shown that according to from (a) to (d)
Sequence handled.In sticking part 20, sheet-form optical functional membrane F1 is removed, detects the front end of sheet-form optical functional membrane F1
Portion, and it is bonded sheet-form optical functional membrane F1 with panel component W.
As shown in Fig. 2, sticking part 20 has for making sheet-form optical functional membrane F1 together with adhesive layer F2 from band-like load
The front end inspection of the stripping unit 21 that body film F3 is removed, the posture of the front end for detecting the sheet-form optical functional membrane F1 removed
Survey unit 25 and for making sheet-form optical functional membrane F1 and panel component W via adhesive layer F2 a pair of of the doubling roller 23 being bonded and
24。
As shown in (a) of Fig. 3, optical film laminate F is transported to sticking part 20.Note that before being shown in (a) of Fig. 3
The sheet-form optical functional membrane F1 in face has just fitted in the panel laminated body P after panel component W.With the face of the side carrier film F3 along
The mode feeding optical film laminated body F of the lower surface of stripping unit 21.Carrier film F3 is wound in the top 22 of stripping unit 21
And to the direction fold-back substantially opposite with the direction of bonding position 26, and it is taken up the winding of unit 40.
Next, as shown in (b) of Fig. 3, by winding carrier film F3 using winding unit 40, by sheet-form optical functional membrane
F1 is removed together with adhesive layer F2 from front end towards rear from carrier film F3.Preferably, it is being removed from front end
When specific length, stop the driving of winding unit 40, thus make sheet-form optical functional membrane F1 and adhesive layer F2 to patch
The conveying that coincidence sets 26 directions stops, to not showing that in this Fig. 3.At this point, the front end of sheet-form optical functional membrane F1 be located at from
The top 22 of stripping unit 21 utilizes the (ginseng of front end detection unit 25 in the position to any position between bonding position 26
According to Fig. 2) detection front end.
After detecting the front end of sheet-form optical functional membrane F1 using front end detection unit 25 as needed, open again
The driving of beginning winding unit 40.If carrier film F3 starts again at driving along with winding unit 40 and conveyed again, lean out
The remainder of the sheet-form optical functional membrane F1 of head is removed together with adhesive layer F2 from carrier film F3.Such as (b) institute of Fig. 3
Show, before and after the front end of sheet-form optical functional membrane F1 reaches bonding position 26, transportation panel component W is so that panel component W
On the position of the fitting front end come bonding position 26.At the time of being transported to bonding position 26, make panel component W according to
The deviation state of sheet-form optical functional membrane F1 and align.
Next, in the state that the front end of sheet-form optical functional membrane F1 is in contact with the binding face PL of panel component W,
It presses sheet-form optical functional membrane F1 and panel component W by doubling roller 23 and 24, along with the rotation of doubling roller 23 and 24, starts
Sheet-form optical functional membrane F1 is bonded with panel component W's.
As described above, manufacture sheet-form optical functional membrane F1 a part from the face outstanding rear end PE of panel component W
When plate laminate P, if with certain fitting speed used in common RTP device in the binding face PL from panel component W
Front end PA (hereinafter referred to as " binding face front end PA ") Dao binding face PL rear end PB (hereinafter referred to as " fitting surface rear end PB ")
Range be bonded, then there are the following problems: (from the rear end court of panel component near the rear end PE of panel component W
To certain range in the front end direction of panel component), sheet-form optical functional membrane F1 is upwarped from panel component W, in panel part
Bubble is generated between part W and sheet-form optical functional membrane F1.The generation of the bubble can avoid by the following method: will generate gas
The fitting speed of the range of bubble is set as low speed, keeps panel component W and sheet-form optical functional membrane F1 more strongly be bonded.
Specifically, in the present invention, as shown in (c) of Fig. 3, from the binding face front end PA of panel component W to conveying
The majority of length d1 until the specified position PC of direction upstream side, for example, in a manner of in RTP in usually used fitting
Speed v1 is bonded.Panel component W and sheet-form optical functional membrane F1 be bonded reach specified position PC when, make panel component
W is reduced to fitting speed v2 with the speed that is bonded of sheet-form optical functional membrane F1.Later, as shown in (d) of Fig. 3, from panel part
The part of length d2 of the specified position PC of part W until being bonded surface rear end PB carries out panel component W and piece to be bonded speed v2
The fitting of shape optically functional film F1.
Fig. 4 is the change for indicating fitting speed when being bonded sheet-form optical functional membrane F1 with panel component W
The figure of change.The horizontal axis of Fig. 4 indicates the distance from the binding face front end PA to fitting surface rear end PB of panel component W, and the longitudinal axis indicates piece
Shape optically functional film F1 is bonded speed with panel component W's.
As shown in figure 4, starting being bonded for sheet optically functional film F1 and panel component W, it is being bonded the patch from panel component W
Close in face of end PA arrive the part of specified position PC when, i.e., fitting length d1 part when, to be bonded speed v1 as maximum speed
Progress sheet-form optical functional membrane F1 is bonded with panel component W's.
Next, when fitting proceeds to specified position PC, make panel component W and sheet-form optical functional membrane F1's to be bonded speed
Degree is reduced to fitting speed v2.Later, make from specified position PC to the fitting part of surface rear end PB, i.e. length d2 part to paste
Speed v2 is closed to be bonded.
Conveying direction upstream side (binding face front end PA is depended in the position that the specified position PC ratio of panel component W generates bubble
Side), in the present invention, 2mm or more will be set as from specified position PC to the length d2 of fitting surface rear end PB.As long as length d2
2mm or more is just not limited, if but it is too long, the partial variable-length of low speed fitting, productivity reduces, it is therefore preferred to as far as possible
It is short.
Fitting speed v2 is set so as to the speed for sufficiently adhering panel component W and optically functional film F1, even if
It is pressed using the doubling roller 23,24 for terminating fitting in the fitting surface rear end PB of panel component W along the thickness direction of panel component W
When sheet-form optical functional membrane F1 is from fitting surface rear end PB protrusion outstanding, it is bonded near surface rear end PB and has fitted in panel
The sheet-form optical functional membrane F1 of component W will not be upwarped.In the present invention, fitting speed v2 is less than 100mm/ seconds.
Fitting speed v2 as long as be less than 100mm/ second as long as be not limited, although speed it is more slow can make panel component W and
Optically functional film F1 is more strongly bonded, but productivity reduces if excessively slow.In one embodiment, fitting speed v2 is preferably
5mm/ seconds or more.The speed for being bonded the part of length d2 can be changed without constant, as long as being less than 100mm/ seconds.Example
Such as, it can slow down gradually the speed of fitting from specified position PC to fitting surface rear end PB.
About the pressing loaded from the laminated body of 23,24 couples of panel component W of a pair of of doubling roller and sheet-form optical functional membrane F1
Power, it is preferred that at least in the part (portion of length d2 from the specified position PC of panel component W until being bonded surface rear end PB
Point), than not making a part of sheet-form optical functional membrane F1 in the case where the fitting surface rear end PB common manufacturing method outstanding
Used pressing force is strong, more preferably 0.3MPa~0.4MPa.In this way, due to by being bonded with stronger pressing force,
Keep panel component W and sheet-form optical functional membrane F1 more strongly be bonded, therefore sheet-form optical functional membrane can be more reliably prevented from
F1 is upwarped from panel component W.Pressing force might be less that 0.3MPa, as long as generated bubble does not bring shadow to properties of product
Loud size.About pressing force, damaged due to being likely to result in panel component W, it is undesirable for being greater than 0.4MPa.
In addition, being preferably comprised in apparatus for continuously production 1 are as follows: a doubling roller 23 in a pair of of doubling roller 23,24 and another
One doubling roller 24 is mutually not in contact with each other after the fitting surface rear end PB of panel component W terminates fitting.If in fitting surface rear end PB knot
Pressing sheet optically functional film F1 is from the fitting part outstanding surface rear end PB, then outstanding as former state for the doubling roller 23,24 of beam fitting
The bonding agent of the adhesive layer F2 of membrane part is possible to be attached to doubling roller 23 or 24.By the way that interval is arranged between roller so that one
Doubling roller 23 is mutually not in contact with each other in closed state with another doubling roller 24 so that doubling roller 23 or 24 do not contact it is viscous
Oxidant layer F2 is met, the attachment of bonding agent can be prevented.
Make the part fitting of the part, i.e. length d1 until the binding face front end PA to specified position PC of panel component W
Even if fitting speed v1 it is identical as fitting speed v2, band itself will not be bonded to panel component W and optically functional film F1
It influences, but since the fitting time is elongated, manufacture quantity per unit time will be sacrificed.Thus, from productive viewpoint
From the point of view of, the fitting speed v1 of the part of length d1 is preferably faster than fitting speed v2, and more preferably 200mm/ seconds~800mm/ seconds.
Additionally, it is preferable that it is as long as possible to be bonded the length of speed v1 fitting, so that the fitting time is as short as possible.
Embodiment
Hereinafter, being illustrated to the embodiment of the present invention and comparative example.
Table 1 is the table for indicating the embodiment of the present invention and comparative example, be by sheet-form optical functional membrane F1 from panel part
When the rear end PE amount outstanding of part W is set as 3mm, the specified position PC to fitting surface rear end PB from panel component W is being changed
Until length d2, make length d2 part be bonded when fitting speed v2 and doubling roller 23,24 pressing force the case where
Under, whether bubble is produced between the panel component W near the rear end PE of inspection panel component W and sheet-form optical functional membrane F1
Result.Inspection confirms by visual observation has bubble-free to carry out.
[table 1]
According to 1~embodiment of embodiment 5 as a result, being to fitting surface rear end PB in the specified position PC from panel component W
The part of length d2 only is bonded panel component W with sheet-form optical functional membrane F1 with 90mm/ seconds fitting speed v2 below
When, bubble-free generates, alternatively, even if produce bubble, and do not influence as the degree as product.But this is length
D2 is the situation of 5mm or more, when d2 is shorter than 5mm, such as (that is, d2 is 0 or 1mm in comparative example 1 and comparative example 2
When), bubble is produced being bonded speed v2 and being 25mm/ seconds.
In addition, as shown in comparative example 4, when the fitting speed in the part of length d2 is 150mm/ seconds, even if in length d2
Also bubble is produced in the case where for 40mm.
In addition, in the part of length d2, from a pair of of doubling roller 23,24 couples of panel component W and sheet-form optical functional membrane F1
Laminated body load pressing force be 0.25MPa in the case where, produce some bubbles, but be not influence to make in this case
For the degree as product.
Description of symbols
1 apparatus for continuously production
The reel of 11 optical film laminate F '
13,17 supply roller
14,18 dance roller
15 cutting portions
20 sticking parts
21 stripping units
The top of 22 stripping units
23,24 doubling roller
25 front end detection units
26 bonding position
30 supply units
32 contraposition parts
33 positions of panels detection units
40 winding units
41 supply rollers
50 control units
51 control units
52 storage units
F ', F optical film laminate
F1 ' ribbon-like optical functional membrane
F1 sheet-form optical functional membrane
F2 adhesive layer
F3 carrier film
The binding face front end of PA panel component
The fitting surface rear end of PB panel component
Specified position on the binding face of PC panel component
The rear end of PE panel component
The binding face of PL panel component being bonded with sheet-form optical functional membrane
W panel component
P panel laminated body
Length of the d1 from the binding face front end PA to specified position PC of panel component
D2 is from the specified position PC of panel component to the length for being bonded surface rear end PB
Fitting speed of the v1 from the binding face front end PA to specified position PC of panel component
V2 is from the specified position PC of panel component to the fitting speed for being bonded surface rear end PB
Claims (3)
1. a kind of method for manufacturing optical display, from including carrier film, the adhesive layer and warp that are formed in the carrier film
Continuously being supported on the ribbon-like optical film laminated body of the sheet-form optical functional membrane in the carrier film by the adhesive layer will be described
Sheet-form optical functional membrane is removed together with the adhesive layer, using a pair of of doubling roller by the sheet-form optical functional membrane so that should
A part of sheet-form optical functional membrane fits in the patch of the panel component from at least rear end state outstanding of panel component
Conjunction face, to manufacture optical display, which is characterized in that the method for the manufacture optical display includes:
By on one side using removing body so that the carrier film is conveyed the carrier film while turning back, thus by the sheet-form optical function
Can film with the adhesive layer together with from the carrier film stripping, and make the front end of the sheet-form optical functional membrane march to and
The process of the bonding position of the panel component fitting；
The process for making the panel component march to the bonding position；
In the bonding position, make the panel component and the sheet-form optical functional membrane from described using the pair of doubling roller
The process that the binding face front end of panel component conforms to fitting surface rear end；
From from the fitting surface rear end towards the specified position of the binding face front end side 2mm or more to the fitting surface rear end
Range, be bonded the panel component with the sheet-form optical functional film layer stack less than 100mm/ seconds fitting speed.
2. the method according to claim 1, wherein from the specified position to the model of the fitting surface rear end
Pressing when enclosing fitting, from the pair of doubling roller to the laminated body load of the panel component and the sheet-form optical functional membrane
Power is 0.3MPa~0.4MPa.
3. method according to claim 1 or 2, which is characterized in that a roller in the pair of doubling roller and another
Roller is mutually not in contact with each other even if the fitting surface rear end terminates after fitting.
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| JP2016-214719 | 2016-11-01 | ||
| JP2016214719A JP2018072689A (en) | 2016-11-01 | 2016-11-01 | Method for manufacturing optical display unit |
| PCT/JP2017/038473 WO2018084044A1 (en) | 2016-11-01 | 2017-10-25 | Method for producing optical display device |
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| CN109891481B CN109891481B (en) | 2022-02-01 |
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| JP (1) | JP2018072689A (en) |
| KR (1) | KR102584096B1 (en) |
| CN (1) | CN109891481B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI739942B (en) | 2021-09-21 |
| CN109891481B (en) | 2022-02-01 |
| JP2018072689A (en) | 2018-05-10 |
| KR20190075957A (en) | 2019-07-01 |
| WO2018084044A1 (en) | 2018-05-11 |
| KR102584096B1 (en) | 2023-10-04 |
| TW201830097A (en) | 2018-08-16 |
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